Doxepin hydrochloride tablets are effective as antidepressant and anxiolytic therapy. Adverse effects include dry mouth, excessive sweating, etc. It is contraindicated in severe heart disease and recent myocardial infarction. Doxepin hydrochloride is a tricyclic antidepressant drug, which mainly inhibits the reuptake effect of 5-hydroxytryptamine and norepinephrine in the central nervous system, and has antidepressant or anxiolytic effects. Adverse effects of this product mainly include dry mouth, excessive sweating, tremor, dizziness, blurred vision, dysuria, constipation, postural hypotension and so on. It is contraindicated in patients with severe heart disease, recent myocardial infarction, epilepsy, glaucoma, hyperthyroidism, hepatic impairment, hypersensitivity to tricyclic drugs, and urinary retention. This product needs to be used under the guidance of a doctor’s interview.